US PRO Tools Triple Square Spline Bit Sockets - 3388

Triple Square Bit Sockets are often required for work with vehicles from European automotive manuf...

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Product Information

Full details

This guide is for mechanics, automotive enthusiasts, and DIYers working with European vehicles. The US PRO Tools Triple Square Spline Bit Sockets are designed for tasks requiring these specific bit types. A key benefit is the ability to easily remove and install bolts found in VW Group, BMW, Mercedes, Porsche and other vehicles. Note that the correct size socket must be selected to avoid damage.

All features

Model Part Number3388
Brandus pro

Extended Product Information

FAQs

What is triple square spline?

Triple square spline is a type of fastener drive with a 12-point design. These bits are commonly found on vehicles from European manufacturers.

What materials are the sockets made of?

These sockets are made from drop-forged, heat-treated S2 Alloy Steel for durability.

What sizes are included in the set?

The set includes 1/4" Dr: M4, 5, 6; 3/8" Dr: M8, 9, 10, 12; 3/8" Dr Tamper Proof: M14; 1/2" Dr Tamper Proof: M16-M18.

How should I store the sockets?

Store the sockets in the included EVA tray to keep them organized and protected.

How do I clean the sockets?

Wipe the sockets clean after each use to remove any debris or moisture.

Where are these sockets typically used?

These sockets are typically used for automotive work, particularly with vehicles from European manufacturers like VW, BMW, and Mercedes.

Are the sockets tamper-proof?

Some sockets in the set are tamper-proof, providing added security for specific bolts.

Troubleshooting

Socket doesn't fit the bolt

Double-check the socket size. Ensure you are using the correct triple square spline size for your specific bolt.

Socket is slipping or stripping the bolt

Ensure the socket is fully engaged with the bolt. Use a breaker bar if necessary to provide more leverage, but avoid excessive force that could strip the bolt. If the bolt is damaged, consider using an extractor tool.

Pros and Cons

Pros

  • High-quality S2 Alloy Steel ensures durability and longevity.
  • Comprehensive size range caters to a wide variety of automotive applications.
  • Tamper-proof options provide added security for specific bolts.
  • Organized storage in an EVA tray keeps tools accessible and tidy.

Cons

  • Requires specific knowledge of the correct size needed for each application.
  • May require additional tools or adapters depending on the vehicle.
  • Limited to use with triple square spline bolts only.

Setup, Compatibility & Care

These sockets are designed to be used with standard ratchets and extensions. Ensure that the socket size matches the bolt you're working with.

  • Compatibility: Compatible with vehicles from VW Group, BMW, Mercedes, Porsche and others using triple square spline bolts.
  • Care: After each use, wipe the sockets clean to remove any debris or moisture. Store the sockets in the EVA tray to prevent damage and keep them organized.

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